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APK2105C > Chapter 2: Cell Structure > Flashcards

Chapter 2: Cell Structure Flashcards

1
Q

What is the plasma membrane

A

a barrier between the cell and the external enviornment

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2
Q

What is the plasma membrane made of

A

a bilayer of phospholipids

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3
Q

What is the role of cholesterol in the plasma membrane

A

decreases the permeability

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4
Q

What is the role of integral proteins

A

serve as receptors, pores, and enzymes

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5
Q

What is the cytoplasm

A

all of the content within the cell membrane

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6
Q

What is the cytosol

A

A part of the cell membrane, the fluid present in the cell membrane (intracellular fluid)

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7
Q

What are the components of a cell

A
  1. Plasma membrane
  2. Cytoplasm
  3. Nucleus
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8
Q

What are non-membranous organelles

A

organelles that have no membrane/not membrane bound

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9
Q

What are the non-membranous organelles

A

Ribosomes

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10
Q

What are ribosomes

A

Composed of RNA + Protein, used to build proteins

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11
Q

What are the membranous organelles

A

Rough ER, Smooth ER, Golgi apparatus, Mitochondria, Nucleus

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12
Q

What is the rough endoplasmic reticulum

A

have ribosomes attached to them, functions are to synthesis proteins to be packaged into vesicles

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13
Q

What is the smooth endoplasmic reticulum

A

responsible for lipid synthesis and storing calcium

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14
Q

What is the golgi apparatus

A

it modifies and packages the proteins

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15
Q

What is the mitocondria

A

makes ATP through a process called oxidative phosphorylation

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16
Q

What is the nucleus

A

The center of the cell, contains DNA, has its own DOUBLe layer plasma that is highly selective

17
Q

What is transcription

A

RNA is synthesized using information contain in the DNA

18
Q

What is protein synthesis

A

the process in which RNA tells ribosomes how to combine amino acids to create proteins

19
Q

What is translation

A

the process where polypeptides are synthesized using RNA codons as a template for assembly of the correct order of amino acids

APK2105C (18 decks)

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